ArticleBeijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences2024
[Effects of unilateral thoracic paravertebal block on hemodynamic and the level of conscionsness during double lumen endotracheal intubation].
Article in Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo compare the effects of unilateral thoracic paravertebal block with lidocaine on hemodynamic and the level of consciousness during double lumen endotracheal intubation.
methodsFrom June to october 2021, a total of 40 patients American Society of Anesthesiologists (ASA) physical status Ⅰ-Ⅱ, aged 19-65 years, scheduled for elective thoracic sugeries in Peking University International Hospital block with under general anesthesia requiring orotracheal intubation were recruited and divided into two groups: The double-lumen endobronchial intubation (group C) and double-lumen endobronchial intubation after thoracic paravertebal block with lidocaine (group P). After an intravenous anesthetic induction, the orotracheal double-lumen intubation was performed using a Macintosh direct laryngoscopy, respectively. Invasive blood pressure (BP) and heart rate (HR) were recorded before and after anesthetic induction, immediately after intubation and 5 min after intubation with 1-minute interval and the intubation time was also noted. Rate-pressure product (RPP) were calculated.
resultsAfter anesthetic induction, BP and RPP in the two groups decreased significantly compared with their preinduction values. As comparison with their postinduction values, the orotracheal intubation in the two groups caused significant increases in BP, HR and RPP. Diastolic blood pressure (DBP) and mean arterial pressure (MAP) increased significantly and lasted for 1-minute in group C compared with the baseline values. Systolic blood pressure (SBP) was not significant change and DBP increased significantly immediately after intubation in group P.HR of both groups after intubation were significantly higher than their baseline values and lasted for 4 min in group C, HR increased significantly immediately after intubation in group P. SBP, DBP, MAP, HR and RPP after intubation in group P were significantly lower than those of group C during the observation period. The value of BIS was similar between the two groups. Compared with group C, the incidence of SBP greater than 30% and RPP greater than 22 000 was significantly lower in group P in the observation period, and no patient in group P developed RPP greater than 22 000. At the end of the incidence of SBP less than 30% of the basal value and HR less than 30% of the baseline, no severe bradycardia occurred in both groups.
conclusionDuring double-lumen endobronchial intubation, unilateral thoracic paravertebal block with lidocaine can provide less hemodynamic response and level of conscionsness.
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